USMLE-Rx Step 2 Qmax Challenge #21266

Check out today’s Step 1 Qmax Question Challenge.

Know the answer? Post it below! Don’t forget to check back for an update with the correct answer and explanation (we’ll post it in the comments section below).

USMLE-Rx Step 2 Qmax Challenge #21266A college sophomore is found by his roommate to be poorly responsive and brought to the emergency department. After resuscitation, the man complains of a severe headache and photophobia that is accompanied by dizziness, nausea, vomiting, and neck pain. Physical examination is noteworthy for positive Kernig and Brudzinski signs as well as petechiae on the trunk and mucocutaneous bleeding. Laboratory studies show:

WBC count: 17,000/mm³
Hemoglobin: 8 g/dL
Platelet count: 70,000/mm³
Bleeding time: 10 min
Prothrombin time: 17 sec
Activated partial thromboplastin time: 47 sec
Thrombin time: 18 sec

A peripheral blood smear is shown in the image.

Which of the following is the most likely diagnosis?

A. Disseminated intravascular coagulation
B. Factor V Leiden
C. Idiopathic thrombocytopenic purpura
D. Protein C deficiency
E. Thrombotic thrombocytopenic purpura

______________________

Want to know the ‘bottom line?’ Purchase a USMLE-Rx Subscription and get many more features, more questions, and passages from First Aid, including images, references, and other facts relevant to this question.

This practice question is an actual question from the USMLE-Rx Step 2 CK test bank. Get more Step 2 CK study help at USMLE-Rx.com.

Discussion

9 thoughts on “USMLE-Rx Step 2 Qmax Challenge #21266”

  1. Thanks for a marvelous posting! I really enjoyed reading it, you happen to be a great author.I will always bookmark your blog and will eventually come back very soon. I want to encourage you to definitely continue your great writing, have a nice evening!

Comments are closed.

Related Articles